Abstract: Disclosed are an aerogel with a hierarchical pore structure formed using a pulsed laser technology, and a preparation method and use thereof. In the preparation method, a nano silicon-containing inorganic material as a freezing element, a biomass polymer as a cross-linking agent, and deionized water as a solvent are mixed and a resulting mixture is left to stand and gelatinized to obtain a hydrogel; the hydrogel is frozen to form ice crystals therein, and the ice crystals are removed by freeze-drying to obtain a micron-nano porous aerogel; the micron-nano porous aerogel is subjected to customized millimeter-scale punching using a pulsed laser to obtain an aerogel with a millimeter-micron-nano hierarchical pore structure.

Abstract: Water-filtration compositions, membranes, devices, and manufacturing processes including graphene oxide with hydrophilic functional groups. Disclosed are a composition comprising graphene oxide with an average particle diameter of no more than about 1 ?m and has an oxygen atomic percentage of at least about 30%, a membrane comprising the composition, a water-permeable device comprising the membrane, a method of making the membrane using the composition, and several methods of generating the composition.

Abstract: Disclosed are a membrane structure including a carbon nanomaterial and NASICON-series ceramic particles, wherein an aqueous solution can pass through an electrode and a method of fabricating the same. There is disclosed a membrane structure of a flat membrane or hollow fiber membrane form, wherein the carbon nanomaterials are intertwisted to form a three-dimensional mesh-shaped structure and the NASICON-series ceramic particles material is combined with the three-dimensional mesh-shaped structure as a complex.

Abstract: Heat-expandable microspheres having a thermoplastic resin shell and a thermally-vaporizable blowing agent encapsulated therein. The thermoplastic resin is a copolymer produced from a polymerizable component containing 15 to 90 wt % of acrylonitrile, 3 to 50 wt % of an acrylate ester monomer (A) represented by formula (1) shown below, and 3 to 70 wt % of a methacrylate ester monomer (B) represented by formula (2) shown below. The weight ratio of the acrylate ester monomer (A) represented by formula (1) to the methacrylate ester monomer (B) represented by formula (2) in the polymerizable component (A:B) ranges from 10:90 to 90:10: H2C?CH—COOR1??(1) H2C?C(CH3)—COOR2??(2). Also disclosed are hollow particles manufactured by expanding the heat-expandable microspheres; a composition containing a base compound and the heat-expandable microspheres or the hollow particles; and a formed product manufactured by molding or applying the composition.

Abstract: The present disclosure relates to a display panel, a manufacturing method thereof and a display device, in the field of display technology. The display panel comprises a first substrate; a second substrate, opposite to the first substrate; and a sealant, between the first substrate and the second substrate; wherein a first super-hydrophobic layer is between the first substrate and the sealant; and the first super-hydrophobic layer is formed by a reaction between photopolymerizable monomer and siloxane having a reactive double bond under light. The arrangement of the super-hydrophobic layer can effectively prevent moisture from entering the display panel. Thus, the waterproof performance of the display panel is improved and the display panel can still function normally when it is in a high temperature and high humidity environment for a long time.

Abstract: A reinforced polymer-based compound comprises a base material, and at least one of a reactive flame-retardant material, an additive flame retardant material, an intumescent material coating, an antimicrobial agent, an ultraviolet light stabilizer and a ceramic coating, wherein the reinforced polymer-based compound is configured to withstand a first temperature range.

Abstract: The present invention relates to a poly(alkylene carbonate) capsule in which a heterogeneous resin is applied on a surface of poly(alkylene carbonate), and a method of manufacturing the same, and provides a poly(alkylene carbonate) capsule preventing blocking where particles agglomerate each other when a resin having surface stickiness at a glass transition temperature or higher is processed in a pellet or chip state and circulated, and a method of manufacturing the same.

Abstract: The present invention relates to a photo-curable and thermo-curable resin composition that can provide a dry film solder resist having a higher glass transition temperature and improved heat resistance reliability, and the dry film solder resist. Said resin composition may include an acid-modified oligomer including an iminocarbonate-based compound having a carboxy group (—COOH) and a photo-curable unsaturated functional group, a photo-polymerizable monomer having two or more photo-curable unsaturated functional groups, a thermo-curable binder having a thermo-curable functional group, and a photo-initiator.

Abstract: Polyether polyols having equivalent weights of up to 500 are continuously prepared in the presence of a double metal cyanide catalyst. A first step of the reaction is performed at a temperature of at least 150° C., while controlling the hydroxyl content and unreacted alkylene oxide content of the reaction mixture to within certain ranges. A portion of that reaction mixture is withdrawn and permitted to react non-isothermally to consume the unreacted alkylene oxide. This process is highly efficient, does not result in catalyst deactivation, as is commonly seen in previous processes, and does not produce a significant ultra high molecular weight tail.

Abstract: Substituted poly(phosphazene) compounds comprising a combination of units having one or more of the structures (i) to (iii) wherein: the combination comprises R1 and R2; each R1, is independently an optionally substituted alkyl- or alkyl ether-based side chain containing an isocyanate-reactive moiety, an epoxide-reactive moiety, an amine-reactive moiety, a supramolecular noncovalent bonding moiety, or combinations thereof; and each R2 is independently an optionally substituted alkyl- or alkyl ether-based side chain containing nitro, nitramine, nitrate ester, azide, an ammonium compound moiety with energetic counter-ion, or combinations thereof. Methods of making the compounds are also described.

Abstract: Disclosed is a water absorbent material and an interconnected cell porous body which can be optimally used as a flower arranging pedestal and a plant culture medium. The interconnected cell porous body is formed from a resin composition with a polylactic acid-based resin as the main component. The pore walls, formed by joining together the crushed powder fragments formed by crushing the foam of the aforementioned resin composition, form the interconnected cell structure of the aforementioned porous body. The apparent density greater of the interconnected cell porous body is than or equal to 0.01 g/cm3 and a less than or equal to 0.2 g/cm3; the 10% compression stress is greater than or equal to 0.02 MPa and less than or equal to 0.3 MPa; and the compression recovery rate is less than or equal to 95%. The water absorbent material comprises the interconnected cell porous body.

Abstract: A method of producing an electrocatalyst article using porous polymers. The method creates a porous polymer designed to receive transition metal groups disposed at ligation sites and activating the transition metals to form an electrocatalyst which can be used in a fuel cell. Electrocatalysts prepared by this method are also provided. A fuel cell which includes the electrocatalyst is also provided.

Abstract: The object of the present invention is to provide a porous body having fluid permeance, which contains cellulose-based nanofibers having an extremely thin fiber diameter and high hydrophilicity, and to manufacture a porous body at low cost. The porous body according to the present invention is a porous body in which nanofibers are entangled to form net-like structural bodies in pores of a porous support having many pores that are connecting with one another, wherein the nanofibers are cellulose-based nanofibers, and have a number average fiber diameter of from 1 to 100 nm.

Abstract: An object of the present invention is to provide a polycarbonate resin composition comprising a polycarbonate resin containing, as a raw material, isosorbide that is easy to produce and excellent in such as mechanical properties, etc., and a molded body, particularly a foam-molded body, composed of the resin composition. The present invention provides a foam-molded body of a resin composition containing a polycarbonate resin having at least a structural unit derived from a dihydroxy compound represented by the following formula (1): wherein the strain-hardening factor of uniaxial extensional viscosity of said resin composition is from 0.1 to 5.

Abstract: A porous body consists essentially of a plurality of ceramic particles having an average size ranging from 8 to 100 nm. The ceramic particles are bonded to adjacent ceramic particles with a strength sufficient to render the porous body self-supporting. The porosity ranges from 30 to 70 vol. % and the average pore size ranges from 5 to 50 nm. The porous body may be manufactured by preparing a dispersion comprising the ceramic particles and a polymer matrix material in a solvent, removing the solvent by heating and/or evaporation, forming a preform of the dried material, and firing the preform to remove the polymer matrix material and bond the ceramic particles to each other. The porous body is useful as a filter element in a system adapted to remove nanoscale particles from a fluid stream.

Abstract: Embodiments of the present disclosure, in one aspect, relate to polymer compositions, methods of making polymer compositions, structures (e.g., textile articles) having the polymer composition covalently bonded to the structure, methods of attaching the polymer to the surface of the structure having —OH functionality (e.g., Calkyl—OH), methods of decreasing the amount of microorganisms formed on a structure, and the like.

Abstract: A thermoplastic resin foam, having a bubble with an average bubble diameter of 10 ?m or less in the inside thereof, in which wherein the thermoplastic resin foam is prepared by using and foaming a thermoplastic resin composition containing 0.25 to 2.5 part(s) by mass of a melt-type crystallization nucleating agent (B), with respect to 100 parts by mass of an amorphous thermoplastic resin (A).

Abstract: An object of the present invention is to provide an electrically insulating resin sheet which is excellent in heat resistance and insulating properties and is able to maintain a predetermined shape even after applying an external force to the sheet to deform the sheet into a predetermined shape and removing the external force. An electrically insulating resin sheet having a porosity of 10 to 60%, a stress relaxation ratio of 20% or more when the sheet is extended by 5% at 23° C. and maintained for 10 minutes, and an insulation breakdown voltage of 25 kV/mm or more.

Abstract: An azeotrope-like mixture consisting essentially of a binary azeotrope-like mixture consisting essentially of trans-1-chloro-3,3,3-trifluoropropene (trans-HFO-1233zd) and a second component selected from the group consisting of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze), and combinations of these and various uses thereof.

Abstract: A method for preparing a conjugated microporous polymer comprises the coupling of an alkynyl aryl monomer having a plurality of terminal alkyne groups with an iodo- or bromo-aryl monomer having a plurality of halogen atoms in the presence of a palladium (0) catalyst. The conjugated microporous polymer comprises nodes comprising at least one aryl unit and struts comprising at least one alkyne unit and at least one aryl unit, wherein a node is bonded from its aryl unit or units to at least two struts via alkyne units. Such polymers are useful in numerous areas such as separations, controlled release, gas storage and supports for catalysts.

Abstract: There is provided a novel polyamide particles having an approximately spherical outer shape, which are spongy particles having through-holes in an outer surface part and closed voids in an inside part. The polyamide particles can be produced by dissolving a polyamide in a cyclic amide with heating to obtain a homogeneous solution and then cooling the solution.

Abstract: Synthetic composite materials for use, for example, as orthopedic implants are described herein. In one example, a composite material for use as a scaffold includes a thermoplastic polymer forming a porous matrix that has continuous porosity and a plurality of pores. The porosity and the size of the pores are selectively formed during synthesis of the composite material. The example composite material also includes a plurality of a anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix. The calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption.

Abstract: To provide a polyketone porous film having heat resistance and chemical resistance and useful as a filter for filtration having a high particle collection efficiency and as a battery or capacitor separator having a low permeation resistance to ion and the like. A polyketone porous film comprising from 10 to 100 mass % of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein the polyketone porous film has a pore formed only by a polyketone, the pore diameter uniformity parameter as a value obtained by dividing the standard deviation of the pore diameter in the pore by an average pore diameter is from 0 to 1.0, and the average through hole diameter of the polyketone porous film is from 0.01 to 50 ?m.

Abstract: A cyclic carbonate monomer including the reaction product of (a) a divinylarene dioxide, and (b) carbon dioxide; a process for making the cyclic carbonate monomer; and a polymer such as a poly(hydroxyurethane) composition made therefrom. The poly(hydroxyurethane) composition made from the above cyclic carbonate monomer forms a reactive intermediate that can be used for making, for example, a poly(hydroxyurethane) foam product.

Abstract: Macroporous matrices containing molecularly imprinted photonic polymers (MIPPs) and methods of making these macroporous matrices are disclosed herein. The macroporous matrices can, for example, be used for detection of small molecules, such as metal ions, in a sample.

Abstract: The present invention encompasses polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane foams, thermoplastics and elastomers derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive foam and elastomer compositions as well as methods of making such compositions.

Abstract: A material for chromatographic separations, processes for its preparation, and separation devices containing the chromatographic material. In particular, porous inorganic/organic hybrid monoliths are provided with a decreased concentration of surface organic groups, and have improved pH stability, improved chromatographic separation performance, and improved packed bed stability. These monoliths may be surface modified resulting in higher bonded phase surface concentrations and have enhanced stability at low pH.

Abstract: A fluoropolymer including a vinylidene fluoride unit, a tetrafluoroethylene unit, and a unit represented by the following formula (1): —CHX1—CX2(OR)- ??(1) wherein one of X1 and X2 is a hydrogen atom, and the other is a fluorine atom; and R is a hydrogen atom or a C1-C8 alkyl group.

Abstract: An organic-inorganic composite molded product formed by molding a composite material of an organic resin and inorganic fine particles is provided, and in this molded product, the average primary particle diameter of the inorganic fine particles is 1 to 30 nm, the concentration of the inorganic fine particles is 25 to 50 percent by volume, and the porosity is 20 to 55 percent by volume. Accordingly, an organic-inorganic composite molded product having a small content of the inorganic fine particles and a significantly low average coefficient of linear expansion of 20*10?6 to ?110*10?6/degree Celsius can be manufactured.

Abstract: A therapeutic device to release a therapeutic agent comprises a porous structure coupled to a container comprising a reservoir. The reservoir comprises a volume sized to release therapeutic amounts of the therapeutic agent for an extended time when coupled to the porous structure and implanted in the patient. The porous structure may comprise a first side coupled to the reservoir and a second side to couple to the patient to release the therapeutic agent. A plurality of interconnecting channels can extend from the first side to the second side so as to connect a first a plurality of openings on the first side with a second plurality of openings on the second side.

Abstract: A process for the manufacture of a fiber or foil comprising at least one optionally functionalized polymer with a high Tg selected from the group consisting of poly(aryl ether sulfone) (PAES), poly(aryl ether ketone) (PAEK) and aromatic polyimide, comprising the steps of (aa) providing a solution comprising at least 45 wt. % of the polymer, and at least 20 wt. %, of at least one halogen-free organic solvent (S1) for the polymer, both wt % based upon the weight of the solution; (bb) pushing the solution through a nozzle; and (cc) introducing the solution into a coagulation bath comprising: (cc1) at least one liquid (L1) in which the polymer is insoluble, and optionally (cc2) at least one organic solvent (S2) for the polymer, identical to or different from the organic solvent (S1), to form a fiber or foil. A fiber or foil obtained by this process as well as to fibers or foils with specific porosity features and/or mechanical properties.

Abstract: The invention relates to foam derived from natural oils, e.g. plant and animal oils. The oils are functionalized to allow for the preparation of foams with desired chemical and physical properties, such as density and robustness. The foam may contain a triglyceride having a first set of functional groups, and a second compound or chain extender (e.g., a second triglyceride, a fatty acid or polyethylene glycol) having a second set of functional groups capable of reacting with the first set of functional groups to form a covalent bond.

Abstract: A polymeric complex supporter for controlling oxygen-released compounds (PCS-ORCs) and a method for manufacturing the same is disclosed. PCS possesses a porous surface and internal coralloid-like channel structure that can accommodate ORCs with a high ratio (up to 92 wt %) to polymers. In applications, the PCS-ORCs can be shaped as various types and be coupled with other solids that could be used as delivery tools. As PCS-ORCs is delivered into a water-containing environment, water molecules can diffuse into the internal channels through the surface pores and then react with ORCs. Due to the tunable structure properties of PCS, the produced oxygen can be release out through the surface pores for one to six months long. In comparison with powder-type ORCs, PCS-ORCs can exhibit better application potentials in terms of time-release technology, oxygen delivery and environmental responsibility.

Abstract: Porous carbon is provided which is a carbonization and optionally an activation product of a precursor resin, which has a pore structure that, as estimated by nitrogen adsorption porosimetry, comprises micropores and mesopores/macropores, said micropores and mesopores/macropores being in a bimodal distribution with few pores of size 2-10 nm, and the mesopores/macropores providing escape routes for volatile products during carbonization of the precursor resin. The porous carbon can be made by a method which comprises (a) forming a precursor resin by reacting a nucleophilic component which comprises a phenolic compound or a phenol condensation prepolymer optionally with one or more modifying reagents with an electrophilic cross-linking agent selected from formaldehyde, paraformaldehyde, furfural and hexamethylene tetramine in solution in a pore former e.g.

Abstract: A composition used for preparing foaming material comprising a polyhydroxyalkanoate, a polylactic acid and a foaming agent, which posses certain tensile strength, elongation in break and expansion ratio as well as full bio-degradability, thus can be used in packaging industry.

Abstract: Methods of forming polymeric foams are provided. The methods may involve co-extruding a foam layer along with one or more skin layers. In some embodiments, the skin layer(s) may be removed (e.g., in a peeling operation); while, in other embodiments, the skin layer(s) may form part of the final article. The methods are particularly well suited for producing polymeric foams from polymeric materials that are considered to be difficult to foam by those of skill in the art.

Abstract: The invention proposes a sealing shell (101) for partially bounding and for sealing a cavity (111), the sealing shell having a foam mold side and a tool carrier side, wherein the sealing shell is made of a material that is compressed when the cavity is closed.

Abstract: A porous membrane can include a polyazole.

Abstract: An article comprising: a monolithic, single layer, rigid thermoplastic interior component for an aircraft, wherein the thermoplastic interior component has a microcellular foam structure, wherein the thermoplastic interior component has an average two minute heat release of less than or equal to 65 kw-min/m2 when tested in accordance with the requirements of FAR 25.853 (d), Appendix F, Part IV through Amendment 25-116; and wherein the thermoplastic interior component has an average peak heat release of less than or equal to 65 kw/m2 when tested in accordance with the requirements of FAR 25.853 (d), Appendix F, Part IV through Amendment 25-116.

Abstract: A thermoplastic resin foam, having a bubble with an average bubble diameter of 10 ?m or less in the inside thereof, in which wherein the thermoplastic resin foam is prepared by using and foaming a thermoplastic resin composition containing 0.25 to 2.5 part(s) by mass of a melt-type crystallization nucleating agent (B), with respect to 100 parts by mass of an amorphous thermoplastic resin (A).

Abstract: The invention provides a heat transfer composition comprising R-1234ze (E), R-32 and 1,1,1,2-tetrafluoroethane (R-134a).

Abstract: A composition includes a crosslinked product of a polyphenylene sulfide and a polyphenylsulfone. A method for the manufacture of the crosslinked product of a polyphenylene sulfide and a polyphenylsulfone includes heating the polyphenylene sulfide and the polyphenylsulfone in presence of a crosslinking agent at a temperature and for a time effective to form the crosslinked product of polyphenylene sulfide and polyphenylsulfone.

Abstract: An organic aerogel includes a polymer prepared from a substituted or unsubstituted maleimide compound and a compound having at least two vinyl groups. A composition for the organic aerogel includes a substituted or unsubstituted maleimide compound and a compound having at least two vinyl groups.

Abstract: Organic-inorganic composite particles that can be dispersed in a solvent and/or a resin as primary particles having an organic group on the surface of inorganic particles, the organic-inorganic composite particles having negative birefringence.

Abstract: The present invention relates to heat transfer compositions comprising 2,3,3,3-tetrafluoropropene, difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane for use in refrigeration, air-conditioning, heat pump systems, and other heat transfer applications. The inventive heat transfer compositions can possess reduced global warming potential while providing good capacity and performance.

Abstract: A crosslinked product of a polyarylene is disclosed, having high-temperature elastomeric properties and excellent chemical resistance. The crosslinked materials are useful in oil and gas downhole applications in the form of either solids or foams. Methods for the manufacture of the crosslinked product and articles comprising the product are also disclosed.

Abstract: A foamable composition comprises at least about 50 wt % of a copolymer of ethylene and alkyl (meth)acrylate having a broad chemical composition distribution (CCD), and having a melt index between about 7 and about 30; about 2 to about 40 wt % of a polyolefin having a carboxylic acid or carboxylic acid anhydride functionality; about 1 to about 10 wt % of one or more foaming agents; and about 1 to about 5 wt % of one or more crosslinking agents. This foamable composition combines ease of processing with good foaming characteristics while avoiding unwanted characteristics, such as fogging.

Abstract: A method for producing thin films, particularly for coating surfaces includes a) adding surface-active substances to flowable compositions comprising nanoscale inorganic particulate solids having polymerizable and/or polycondensable organic surface groups; b) forming one or more thin films stabilized by the accumulation of the surface-active substances at the interface(s), the forming of one or more thin films taking place through the generation of bubbles, foam, through the formation of minimal surfaces and/or through the wetting of surfaces; and c) solidifying the films by polymerization and/or polycondensation.

Abstract: A porous membrane with pores that includes a polymerization product of a polyazole-based material, an electrolyte membrane including the porous membrane with a proton-conductive polymer provided in pores of the porous membrane, methods of manufacturing the porous membrane and the electrolyte membrane, and a fuel cell employing at least one of the porous membrane and the electrolyte membrane.

Abstract: Disclosed is a curable composition comprising a linear hydrolyzable silyl group-containing polymer and a branched hydrolyzable silyl group-containing polymer in the weight ratio of 1:9 to 9:1 and having a specific weight of less than 1.15.